Buick GS Stage 2

This article from my Muscle Review magazine (no longer published) dated July 1999 tells a  short story about a pretty rare 1970 Buick. This article also happens to mention the opening of the (then new) Buick museum in Flint.  The following is from my book Buick Muscle Cars by: Bill Holder and Phillip Kunz.   A Stage 2? It may not be a well known fact, but there was also a so-called stage 2. In 1968, the buyer of a Gran Sport Skylark could check off the Stage 2 package,which offered a pure race option consisting of an ultra-high-performance engine and some other performance options that had to be installed by the dealer. Few knew that the option even existed. Obviously  the option was designed for drag racers.   The Stag 2 package was again available in 1970 with a trunkful of performance goodies. Included were Mickey Thompson headers, an 850 cfm Holley carburetor, 12.5:1 compression ratio forged pistons, a high-performance cam, and new high-flow heads. There was also a 4.78 geared rear end. All the equipment was reportedly dealer installed.   How many Stage 2 cars were modified is not known, but rest assured, the numbers are few. In fact, it has been noted that only three are known to exist, showcasing possibly the most daring Buick adventure into high performance. 

GSX Stage 2 resized

Hemmings Muscle Machines subscribers (and those who pick it up on the newsstand) may recall from our recent All Modified issue the Buick pictured above: A contemporary recreation of the 1970 Buick GSX Stage2 prototype. The six-page feature recalls Frank Urbinati’s desire to recreate the lost factory GSX, how Gransport Auto Body built it, and how it ended up in the hands of its current owner, Bob Ortolani, who continues its 9.51-second quarter-mile legacy. The story also provides some background as to the one and only original prototype, including its oft-repeated demise – set in motion by the rapid swing away from muscle cars in 1971 – that began with dismantling, followed by its complete destruction in a fire.

Not long ago we received a letter from Dennis Manner, a now-retired Buick/GM engine engineer who has vast first-hand knowledge of not only Buick’s engine development in the Sixties and Seventies (including his direct involvement with the 455, 455 Stage 1 and 455 Stage 2 equipment), but also the development of the GSX Stage2 prototype and its true demise. According to Dennis:

I don’t know how the story ever got started about the prototype car ever catching on fire which was not true and I have been trying to correct that statement ever since. In addition to the Stage 2 development car I used as a workhorse at Buick Engineering, we built a prototype GSX car in Flint in Buick Engineering and sent it out to California for exposure and evaluation for the dealers, the racers and the magazine writers. Upon its return to Michigan long after we had decided to not factory produce the package and we were about to retire the vehicle, one of our Buick engineers missed a shift driving it at our GM proving grounds and put a rod through the side of the block. It did not catch fire. We then disassembled the car, scrapped it out but the special hood was donated to the Jones/Benesick Buick drag car they raced in California.

Special thanks goes out to Dennis for clarifying what happened to perhaps one of Buick’s ultimate performance cars.  Original link here.  This article is from my December 2012 issue of Hemmings Muscle Machines and contains new information concerning this rare Buick. I actually  took this copy from the Hemmings site because I gave my issue to another enthusiast (my Dentist) who needed another article for the 409 Chevy engine he has.   The following link provides another history lesson.

1970 455 Stage III Block!   

Many different versions of this engine and the cars history are still clouded. Some say 2 were built by the factory and some say 15 dealer installed’s were built. Some also say around 75 sets of the special heads required were made. I like the first story at the beginning that leads off with: THE FINAL Chapter which I find doubtful.   Images here.

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2 thoughts on “Buick GS Stage 2

  1. I have the long lost Buick the test car 2001 Anderson calif 96007 5303390513 I’m 80 years old there is a o and a z in the vin number it has kill switch in the bumper a fuel shutoff in the cab it is Apollo white stage 2 hood motor is stage 4 I have never been able to register it it needs to be in museum Karl Bernardo researched the car my name is Albert goslin I use to live in Fremont calif were I got the car let’s talk the car is not lost any more 17 were made 15 to dealer ships 2. Were test cars this is it its for sale I’m old come fast I won’t car gone to a good place before I die brandonsdad15@gmail.com

  2. I have heard many tales about the stage two project from Buick. I have a 70 stage 1 4 speed that had a lot of things done to it at the dealership. The original owner tried to buy it for a whole year but the dealer couldn’t sell it because Buick said it was to be a display car only. They finally sold it on the last day of August of 70. He said it had headers on it when he bought it and a very steep gear in the rear. He paid two different bills when he bought it, one to Buick and another to the dealer. I was wondering how many display cars were built to advertise Buicks performance potential.

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